Monetize Your APIs with
Instant Micropayments
Turn your APIs into revenue streams with x402 protocol.
No subscriptions, no middlemen—just instant payments for every API call.
How a paid request works
[1] POST /api/your-endpoint
→ Client sends a request
x402 intercept
[2] VERIFY payment signature
→ Validate micro‑payment (e.g., $0.01)
✓ Confirmed in ~200ms
x402 execute
[3] RETURN { data: ... }
→ Response sent to the client
→ Revenue credited to your wallet
Total overhead: ~300msFrom $0.01 per callWhy Choose RelAI?
Built for developers, by developers. The future of API monetization.
Core Features
Micropayments
Charge from $0.01 per API call with instant settlements
Instant Settlement
Payments settle in under 2 seconds on Solana blockchain
Multi-Chain Support
Solana, Base, SKALE Base, Ethereum, Polygon, and more networks supported
x402 Protocol
Industry-standard HTTP 402 with v1/v2 compatibility
Advanced Capabilities
MCP Integration
Native Model Context Protocol support for AI agents
Multiple Facilitators
PayAI, Dexter, AutoIncentive, Thirdweb, and custom facilitator support
Payment Links
Share a paywall link so users can pay and call your API without extra integration
Pricing Models
Static & dynamic pricing: per-call, per-token, multiply fields, and client-quoted flows
OpenAPI Support
Upload your API spec and auto-generate paywalled endpoints
Custom Domains
Dedicated custom domain for every API with white-label branding
Custom Paywall
Fully customizable x402 paywall with your branding and design
Built-in Wallets
Custodial Solana & EVM wallets for seamless marketplace payments - no browser extension needed
Teams & Collaboration
Create teams, invite members, and manage APIs together with role-based access control
How It Works
Get started in minutes, not months
Upload Your API
Upload your OpenAPI spec or define endpoints manually with custom pricing
Configure & Test
Set pricing models, custom domains, paywall branding, and enable MCP or direct API access
Publish & Earn
Publish to marketplace, enable paywall, and receive instant payments
Built with Leading Technologies
Powered by trusted partners in the x402 ecosystem
PayAI Facilitator
Primary payment facilitator with multi-chain network support
Dexter Integration
Alternative payment facilitator supporting Solana and Base networks with x402 v2
Thirdweb Support
Ethereum mainnet support with gas sponsorship and enterprise-grade infrastructure
Open Facilitator
Support for APIs with self-hosted x402 facilitators - payment verification handled by upstream providers
ZAuth Platform
Trust infrastructure for endpoint verification and agent-driven testing
AutoIncentive
Advanced x402 v2 facilitator for Solana and Base with automated payment processing
RelAI Facilitator
Our own x402 v2 facilitator with gas sponsoring for SKALE Base and Avalanche networks
Supported Networks
Deploy your APIs across multiple blockchain networks
Solana
Ultra-fast settlements with sub-second finality and minimal fees
Base
Coinbase L2 with EVM compatibility and low transaction costs
SKALE Base
Zero gas fees with RelAI facilitator - we pay for all transactions
Avalanche
Gas-sponsored payments with RelAI facilitator on Avalanche C-Chain
Ethereum
Mainnet support with Thirdweb facilitator and gas sponsorship
Polygon
Low-cost EVM transactions with fast block times
Sei
High-performance blockchain optimized for trading applications
peaq
DePIN-focused blockchain for IoT and machine economy
Tokenomics
Deflationary tokenomics with auto buybacks, burns, and real utility
5AgHPy5UojpGq6TdtQCNobCZ2tkYmZz4d5p1cqr6pumpReady to Monetize Your API?
Join the future of API economics. Start earning from your APIs today.